To explore the thermal responses under the non-thermal equilibrium cold environmental conditions,a laboratory study was conducted in climate chamber.The local skin temperatures and thermal sensation of 20 subjects wer...To explore the thermal responses under the non-thermal equilibrium cold environmental conditions,a laboratory study was conducted in climate chamber.The local skin temperatures and thermal sensation of 20 subjects were recorded at 10 min intervals for 90 min under air temperatures of 7.4,9.1,11 and 15 °C.The results show that both local skin temperatures and mean skin temperature decrease not only with the drop of ambient air temperature but also with the exposure time.Local thermal sensation and overall the thermal sensation have the similar temperature-varying and time-varying characteristics.Predicted mean vote(PMV) model cannot correctly predict the thermal sensation under non-thermal equilibrium cold environment.The correlation between local thermal sensation and local skin temperatures shows that thermal sensation is closely related to skin temperature.Skin temperature is an effective indicator of thermal sensation.A linear relationship model between overall thermal sensation and mean skin temperature,considering both ambient temperature and exposure time,was established in the non-thermal equilibrium cold environment,which makes the evaluation of thermal sensation more objective.展开更多
Background:Reinforcing-reducing manipulations are a crucial part of acupuncture therapy.The reinforcing manipulation with heat sensation(RMHS) and the reducing manipulation by inducing cool sensation(RMCS) are two rep...Background:Reinforcing-reducing manipulations are a crucial part of acupuncture therapy.The reinforcing manipulation with heat sensation(RMHS) and the reducing manipulation by inducing cool sensation(RMCS) are two representative methods of reinforcing-reducing manipulations.This trial aims to investigate the characteristic of cerebral responses to these two typical acupuncture manipulations.Methods:A total of 35 healthy participants will be included and receive acupuncture stimulation with RMHS and RMCS in a random order.The psychology,cognition,and body constitution of participants will be measured by the Self-rating Anxiety Scale(SAS),the Self-rating Depression Scale(SDS),the mindful attention awareness scale(MAAS),the Constitution in Chinese Medicine Questionnaire(CCMQ),and the needle sensation will be evaluated after each acupuncture stimulation immediately.The cerebral activity changes elicited by RMHS and RMCS will be detected by functional near-infrared spectroscopy(fNIRS)and analyzed with the general linear model-based activation and the channel-to-channel functional connectivity.Discussion:This trial will investigate the cerebral response induced by RMHS and RMCS by real-time fNIRS,so as to map the characteristics of the central responses’ patterns to these two manipulations and preliminarily explore the mechanism of traditional acupuncture manipulations.展开更多
基金Project(50838009) supported by the National Natural Science Foundation of China
文摘To explore the thermal responses under the non-thermal equilibrium cold environmental conditions,a laboratory study was conducted in climate chamber.The local skin temperatures and thermal sensation of 20 subjects were recorded at 10 min intervals for 90 min under air temperatures of 7.4,9.1,11 and 15 °C.The results show that both local skin temperatures and mean skin temperature decrease not only with the drop of ambient air temperature but also with the exposure time.Local thermal sensation and overall the thermal sensation have the similar temperature-varying and time-varying characteristics.Predicted mean vote(PMV) model cannot correctly predict the thermal sensation under non-thermal equilibrium cold environment.The correlation between local thermal sensation and local skin temperatures shows that thermal sensation is closely related to skin temperature.Skin temperature is an effective indicator of thermal sensation.A linear relationship model between overall thermal sensation and mean skin temperature,considering both ambient temperature and exposure time,was established in the non-thermal equilibrium cold environment,which makes the evaluation of thermal sensation more objective.
基金supported by grants from the National Natural Science Foundation of China (NO.81973960)the Sichuan Scientific and Technological Innovation Team (No.2019JDTD0011)。
文摘Background:Reinforcing-reducing manipulations are a crucial part of acupuncture therapy.The reinforcing manipulation with heat sensation(RMHS) and the reducing manipulation by inducing cool sensation(RMCS) are two representative methods of reinforcing-reducing manipulations.This trial aims to investigate the characteristic of cerebral responses to these two typical acupuncture manipulations.Methods:A total of 35 healthy participants will be included and receive acupuncture stimulation with RMHS and RMCS in a random order.The psychology,cognition,and body constitution of participants will be measured by the Self-rating Anxiety Scale(SAS),the Self-rating Depression Scale(SDS),the mindful attention awareness scale(MAAS),the Constitution in Chinese Medicine Questionnaire(CCMQ),and the needle sensation will be evaluated after each acupuncture stimulation immediately.The cerebral activity changes elicited by RMHS and RMCS will be detected by functional near-infrared spectroscopy(fNIRS)and analyzed with the general linear model-based activation and the channel-to-channel functional connectivity.Discussion:This trial will investigate the cerebral response induced by RMHS and RMCS by real-time fNIRS,so as to map the characteristics of the central responses’ patterns to these two manipulations and preliminarily explore the mechanism of traditional acupuncture manipulations.
